Model Comparison

WMT19 EN→DE vs Opus MT EN→FR

Compare the listed model data for WMT19 EN→DE by facebook and Opus MT EN→FR by Helsinki NLP. Benchmark and pricing records are not a controlled test and may change.

Data last updated: 2026-10-16. Verify current model details with each provider.

What the listed data says

WMT19 EN→DE: 512 tokens; Opus MT EN→FR: 512 tokens. The listed context-window values are equal. WMT19 EN→DE is listed for no specific capability flags; Opus MT EN→FR is listed for no specific capability flags. Shared catalog benchmark entries: No shared benchmark labels are listed in these model records. These records are reference data, not a controlled head-to-head test; verify current pricing and specifications with each provider.

Catalog source links

Use these model and provider links to verify current specifications, pricing, and availability.

Computed differences from catalog data

  • The listed context windows are 512 tokens and 512 tokens; the larger is 1× the smaller.
  • No shared benchmark labels are present in both catalog records.
  • The first listed parameter quantities are 600M and ~300M; the larger quantity is 2× the smaller. Total and active MoE parameters are not directly equivalent.
  • A release-date gap cannot be calculated from the catalog values (WMT19 EN→DE: 2019; Opus MT EN→FR: 2020).

Cost example: 1M input and 1M output tokens

A cost example for 1M input plus 1M output tokens cannot be calculated reliably because separate numeric input and output rates are not listed for both models.

Choose WMT19 EN→DE if…

Choose WMT19 EN→DE when your task aligns with catalog-listed uses or strengths such as Formal German document translation at scale, News content localization for DACH markets, WMT19 competition winner for English→German, Strong on formal and news-domain German.

Choose Opus MT EN→FR if…

Choose Opus MT EN→FR when your task aligns with catalog-listed uses or strengths such as High-volume English→French content localization, GDPR-compliant on-premise translation, High BLEU for English→French — one of the best Helsinki NLP pairs, Apache 2.0.

WMT19 EN→DE

Browse facebook models

Meta's WMT19 winning English-to-German translator — production-grade quality, especially strong on news and formal writing.

Parameters: 600M

Context: 512 tokens

Catalog pricing: MIT — free

facebook General Purpose Open Source

View WMT19 EN→DE model profile

Helsinki NLPH
Opus MT EN→FR

Browse Helsinki NLP models

Helsinki-NLP MarianMT for English-to-French — high-quality formal and conversational translation with proper accents and grammar.

Parameters: ~300M

Context: 512 tokens

Catalog pricing: Apache 2.0 — free

Helsinki NLP General Purpose Open Source

View Opus MT EN→FR model profile

Feature Comparison — WMT19 EN→DE vs Opus MT EN→FR

Catalog specifications for WMT19 EN→DE and Opus MT EN→FR
Specification WMT19 EN→DE Opus MT EN→FR
Provider facebook Helsinki NLP
Parameters 600M ~300M
Context window 512 tokens 512 tokens
Maximum output Not listed Not listed
Catalog pricing MIT — free Apache 2.0 — free
Listed input/output cost per 1M tokens Separate numeric input/output rates not listed Separate numeric input/output rates not listed
License MIT Apache 2.0
Coding support Not listed Not listed
Reasoning support Not listed Not listed
Vision input Not listed Not listed
Multimodal Not listed Not listed
Open weights Yes Yes

Figures are transcribed from LITHOVEX model records. Benchmark versions and evaluation setups may differ; pricing and specifications can change. Check each provider's current documentation before making a decision.

Frequently Asked Questions

What is different between WMT19 EN→DE and Opus MT EN→FR?
WMT19 EN→DE: 512 tokens; Opus MT EN→FR: 512 tokens. The listed context-window values are equal. WMT19 EN→DE is listed for no specific capability flags; Opus MT EN→FR is listed for no specific capability flags. Shared catalog benchmark entries: No shared benchmark labels are listed in these model records. These records are reference data, not a controlled head-to-head test; verify current pricing and specifications with each provider.
What benchmark values are listed for WMT19 EN→DE and Opus MT EN→FR?
No shared benchmark labels are listed in these model records. The catalog values may use different versions and evaluation setups, so they are reference points rather than a controlled head-to-head result.
Which model has the larger listed context window?
WMT19 EN→DE: 512 tokens; Opus MT EN→FR: 512 tokens. The listed context-window values are equal.
What are the listed costs per million tokens for WMT19 EN→DE and Opus MT EN→FR?
WMT19 EN→DE: Separate numeric input/output rates not listed (MIT — free). Opus MT EN→FR: Separate numeric input/output rates not listed (Apache 2.0 — free). Where separate numeric input and output rates are available, the worked example uses 1M input plus 1M output tokens. Confirm current terms with each provider.
How far apart are the listed release dates for WMT19 EN→DE and Opus MT EN→FR?
The catalog lists WMT19 EN→DE as 2019 and Opus MT EN→FR as 2020; a release-date gap cannot be calculated from both records.
When was the comparison data last updated?
The model catalog records 2026-10-16 as its data update date. Provider specifications and prices may have changed since then.
How should I choose between WMT19 EN→DE and Opus MT EN→FR?
Compare the listed specifications and capabilities, review the benchmark notes, then test both with the same representative prompt for your task. This page does not claim a universal winner.

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